He met many problems ______ he was going over his lessons.
#58104
A
before
B
as soon as
C
since
D
while
推荐题目
---Did you hear the rain? ---______ .
#55536
A
Until 30 minutes
B
Until 30 minutes later
C
Not until 30 minutes
D
Not until 30 minutes later
He will go to the movies         staying at home this Sunday
#57081
A
rather than
B
instead of
C
prefer to
D
instead